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首页> 外文期刊>Solid State Communications >Structural distortion and phase transition studies of Aurivillius type Sr1-xPbxBi2Nb2O9 ferrolectric ceramics
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Structural distortion and phase transition studies of Aurivillius type Sr1-xPbxBi2Nb2O9 ferrolectric ceramics

机译：Aurivillius Sr1-xPbxBi2Nb2O9铁电陶瓷的结构畸变和相变研究

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In this paper, effects of lead doping on the lattice response and phase transitions of Sr1-xPbxBi2Nb2O9(x=0.0-0.-5 in Steps of 0.1) ferroelectric ceramics are reported. It is observed that structure attains more tetragonality with doping of lead up to 40%. Increased orthorhombic distortion is observed for undoped SBN and 50 at.% lead substituted SBN-. Phase transitions for all samples were studied using Curie temperature measurements and are explained in terms of lattice response of these ceramics. Sample with x= 0.5 shows decreased tetragonal strain and Curie temperature. Relationship of polarization with lattice response is discussed. (C) 2004 Elsevier Ltd. All rights reserved.
机译：本文报道了铅掺杂对Sr1-xPbxBi2Nb2O9（以0.1为步长的x = 0.0-0.-5）铁电陶瓷晶格响应和相变的影响。可以观察到，在掺杂量高达40％的情况下，结构获得了更多的四方性。对于未掺杂的SBN和50 at。％的铅取代的SBN-，观察到正交畸变增加。使用居里温度测量研究了所有样品的相变，并根据这些陶瓷的晶格响应进行了解释。 x = 0.5的样品显示出降低的四方应变和居里温度。讨论了极化与晶格响应的关系。 （C）2004 Elsevier Ltd.保留所有权利。

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